![background image](http://html1.mh-extra.com/html/snell-and-wilcox/mdd550-50/mdd550-50_operators-manual_1309056004.webp)
Table of Contents
SECTION
1
Introduction
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2
Operational Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3
2
Specifications
Input Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1
Output Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2
3
Installation
Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.1
Communication Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2
Input Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3
Output Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.4
4
Operation
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1
Operation using Card Edge Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2
Menu System Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.9
Operation from an active front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.10
Active Front Panel Push Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.12
Menu Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.13
Packing List
The unit is supplied in a dedicated packing carton provided by the manufacturer and should not be accepted
if delivered in inferior or unauthorised materials. Carefully unpack the carton and check for any shipping
damage or shortages.
Any shortages or damage should be reported to the supplier immediately.
Enclosures:
* MDD550 series Decoder
* Power cable
* Operator’s Handbook
MDD550011298 Version 1 Issue 2
Software Version 1.3.1 onwards 0.4